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Italian referee Gianluca Rocchi (R) show a red card to Zenit's Italian defender Domenico Criscito (L) during the UEFA Champions League round of 16 football match SL Benfica vs FC Zenith Saint-Petersburg at the Luz stadium in Lisbon on February 16, 2016. / AFP / PATRICIA DE MELO MOREIRA (Photo credit should read PATRICIA DE MELO MOREIRA/AFP/Getty Images)

Italian referee Gianluca Rocchi (R) show a red card to Zenit's Italian defender Domenico Criscito (L) during the UEFA Champions League round of 16 football match SL Benfica vs FC Zenith Saint-Petersburg at the Luz stadium in Lisbon on February 16, 2016. / AFP / PATRICIA DE MELO MOREIRA        (Photo credit should read PATRICIA DE MELO MOREIRA/AFP/Getty Images)